849131712 has 336 divisors, whose sum is σ = 2923458720. Its totient is φ = 233625600.

The previous prime is 849131677. The next prime is 849131713. The reversal of 849131712 is 217131948.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (849131713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13920162 + ... + 13920222.

It is an arithmetic number, because the mean of its divisors is an integer number (8700770).

Almost surely, 2^849131712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849131712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461729360).

849131712 is an abundant number, since it is smaller than the sum of its proper divisors (2074327008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849131712 is a wasteful number, since it uses less digits than its factorization.

849131712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 90 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 849131712 is about 29139.8646530831. The cubic root of 849131712 is about 946.9455776298.

The spelling of 849131712 in words is "eight hundred forty-nine million, one hundred thirty-one thousand, seven hundred twelve".